154 55. Milling Machine Operation. A course in milling machine operation including plain and angular milling. Use of dividing head in plain, differential and angular indexing. Elementary gear work is given; also advanced lathe, shaper; do-all, and drill press operation. Five quarter hours. Winter. Larson 56. Advanced Machine Shop. A course in advanced general machine shop operation, including lathe, shaper, drill press, do-all milling machine, bench work, and layout; the machining of machine repair parts and rough casting. Five quarter hours. Spring. Larson Trade Technical 61. Elementary Machine Shop. A course designed to give a discussion of problems and procedures connected with lathe nomenclature and each basic lathe operation. Mathematics of feeds and speed, thread depth, mating, parts, and calculation of machine setting for tapers are taught. Films, models, charts, and special aids are used. Five quarter hours. Autumn. Larson 62. Lathe Operation. A study of advanced lathe operations, advanced machining problems, accurate measuring and machining shaft cuts, machining sequence for saving time, production, habits, etc. Hand tools and bench work are discussed. Five quarter hours. Winter. Larson 63. Metal and Heat Treatment. Common metals and their treatment in storing of materials, S. A. E. numbers of steels, alloys, ferrous and non-ferrous metals; problems in bench layout and job layout; shaper nomenclature, feeds and speeds, mathematics in machining parts, etc., as they are connected with drill press and shaper operation. Five quarter hours. Spring. Larson 64. Do-All Nomenclature. A study of do-all nomenclature, job selector, welding blades, setting blade on machine, setting guides, contour sawing, filing, polishing and fabricating parts on a do-all in comparison with other machine shop machines; milling machine nomenclature, cutters, setting up machine for a job, elementary milling, and mathematics involved in the milling machine operation. Five quarter hours. Autumn. Larson 65. Milling Machine Mathematics. The mathematics involved in the use of the dividing head for plain differential and angular indexing and nomenclature; mathematics and procedures in cutting spur gears. Five quarter hours. Winter. Larson 66. Grinding Machine Operation. A course designed to give training in abrasives, shapes, kinds, bonds, makes, and wheel manufacture. Advanced problems encountered in machining of production parts; job layout and job procedures in machining, castings, and machine parts are also given. Blueprints are studied, as well as current events in the machine shops of the nation. Five quarter1 hours. Spring. Larson 155 DEPARTMENT OF MAINTENANCE MECHANICS J. A. Gaz, B. M. Hartog, R. Best, C. B. Larson, J. McCormac, R. Vandenberg The Department of Maintenance Mechanics is set up to give instruction to an individual desiring to become a maintenance mechanic, or a building and grounds superintendent. This program provides experience in machine shops, welding, carpentry, auto mechanics, and electricity. It is a plan to meet the requirement of Type A or Type B programs. CURRICULUM Maintenance Mechanics (Pre-Apprentice) Freshman Year A. W. S. English 81 3 Health Education 1 2 Maintenance Mechanics 51, 52, 53 5 5 5 Maintenance Mechanics 61, 62, 63 5 5 5 Mathematics 81 5 Orientation 11 2 Physical Education Ill Tecnmcai Education 86, 84 2 3 Technical Education 91 2 17 17 18 Sophomore Year A. W. S. Bacteriology 81 3 Chemistry 81 3 Economics 81 3 Maintenance Mechanics 54, 55, 56 5 5 5 Maintenance Mechanics 64, 65, 66 5 5 5 Physical Education Ill Sociology 81 3 Technical Education 81 3 Technical Education 92 2 17 16 17 COURSES OF INSTRUCTION Shop Practice 51. Hand Tools and Benchwork. A course outlined to train individuals in the use and repair of hand tools, and bench work; also elementary training on the engine lathe, power hack-saw, drill press, and heat-treating furnace. Hand tools, bench equipment and machine parts are made that will give the individual practical experience in shop maintenance. Five quarter hours. Autumn, Larson, McCormac